('CID100154043', 2),DMP450
('CID100154043', 2),dmp450
('CID100003138', 2),DMP450(INHIBITOR OF DUPONT MERCK)
('CID100003138', 2),dmp450
ldiff: defaultdict(<type 'list'>, {'CID100154043': [0, 0], 'CID100003138': [27, 0]})
f1: [0, 0]
f2: [27, 0]
c1: Counter({0: 2})
c2: Counter({0: 1, 27: 1})
The chosen was ... CID100154043